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主要零件和材质Mainpartsandmaterials序号NO零件名称Accessorname材质MaterialGB系列1内六角螺钉Nut35#
主要零件和材质 Main parts and materials 产品结构特点 Construction features 本产品主体为球阀与蝶阀的结合，主要结构类似蝶阀，而阀芯为部分球体即阀芯取球体实际有效的一部分即密封面附近的一部分，阀座为串动环体，阀芯转动中心与球体中心不同心。剖面图上可见球体的弧面与环锥面接触的点与球中心形成的垂足都不与环锥面剖线垂直，换言之，阀座密封面不是球体的切线形成的连续面。有反向作用压力或反向作用压力大于正向作用压力时形成反压差，阀座串动自动补偿密封间隙，使之达到双向密封。作用压力越大，双向密封的效果越好。 产品特征 Spericfications 适用介质：水、气、油品、天然气和酸碱腐蚀性介质 技术规范 Technical specification 试验压力 Test prssure 球阀结构长度和外接尺寸 Main connection dimensions
序号
NO零件名称
Accessor name材质 Material GB系列 1 内六角螺钉 Nut 35#, 304, 316, F316L 2 后盖 Bottom cover Q235, F304, F316, F316L 3 垫子 Gasket PTFE石墨 不锈钢 Stainless steel+石墨 Graphite 4 对开环 Washer 20Cr13, 304, 304L, 316, 316L, 25Cr2MoV 5 轴套 Bush bearing 自润滑复合轴套 304/316+HF 6 阀体 Body WCB, LCB, CF8, CF3, CF8M, CF3M 7 螺柱 Bonnet bolt 35#, 304, 316, F316L 8 螺母 Nut 45#, 304, 316, F316L 9 O型圈 O ring 丁腈橡胶 Rubber 氟橡胶 Viton 10 填料箱 Packing A105, F304, F316 11 内六角螺钉 Nut 35#, 304, 316, F316L 12 固定轴 Seat ring 20Cr13, 304, 304L, 316, 316L 13 蝶板 Butterfly WCB, LCB, CF8, CF3, CF8M, CF3M 14 圆锥轴 Taper pin 20Cr13, 304, 304L, 316, 316L 15 阀座 Seat F304, F316, F316L 16 O型圈 O ring 丁腈橡胶 Rubber 氟橡胶 Viton 17 轴套 Bush bearing 自润滑复合轴套 304/316+HF 18 阀杆 Stem 20Cr13, 304, 304L, 316, 316L 
This product is subject to the combination of ball valve and butterfly valve, the main structure similar to butterfly valve, the valve core for part of the sphere
which take ball valve core part of the real effective near the sealing surface, as part of the seat for the ring body, valve core center of rotation is different from a sphere center. Profile is visible on the sphere surface contact with ring cone with the pedal is not formed by the center points and the ball ring cone vertical profile, in other words, the valve seat sealing surface is not a sphere A continuous surface of a line. With reverse pressure or reverse the role against the differential pressure is greater than the positive effect when, seating series of dynamic self-compensation seal clearance, to two-way sealing. The more pressure, the better the effect of the bidirectional seal.
适用温度：-196~150℃
驱动方式：手动、气动、电动、液动等
公称压力：1.0~4.0MPa
公称通径：DN100~2000mm
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~150℃
Driver: manual, pneumatic, electric, hydraulic, etc
Nominal pressure: 1.0~4.0MPa
Nominal size: DN100~2000mm设计依据 Design reference GB系列 GB series 设计标准 Design standard GB/T12237 结构长度 Face to face GB/T12221 连接法兰 End flange GB/T9113 HG20592 试验和检验 Test & inspection GB/T13927 压力等级
Pressure grade试验压力 Test pressure 公称压力 PN
Nominal pressure壳体试验
Sheil test正密封试验
Sealing test反密封试验
Sealing test气密封试验
Air seal test1.0 1.5 1.1 - 0.6 1.6 2.4 1.76 - 0.6 2.5 3.75 2.75 - 0.6 4.0 6.0 4.4 - 0.6 PN:1.6~4.0 公称通径
DNL
(mm)H
(mm)H1
(mm)公称通径
DNL
(mm)H
(mm)H1
(mm)50 108 97 393 500 229 365 1245 65 112 107 413 600 267 430 1340 80 114 117 433 700 292 510 1615 100 127 127 508 800 318 570 1735 125 140 147 538 900 330 620 1865 150 140 157 631 1000 410 690 1865 200 152 187 681 1200 470 790 2265 250 165 217 745 1400 530 880 2475 300 178 237 762 1600 600 100 2665 350 190 277 957 1800 670 1100 2925 400 216 300 1040 2000 760 1220 3135 450 222 335 1155
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